The Nordic Extension Tube Spring has extra length (45") to allow fitting to different sized magazines. Ships coiled in package with instructions for determining length and cutting.
Gauge: 12Ga
Note: Due to magazine spring tension issues, Nordic does not recommend using an HD spring in the following shotguns:
Mossberg 930 (all models)
Browning Gold
Gauge: 12Ga
Note: Due to magazine spring tension issues, Nordic does not recommend using an HD spring in the following shotguns:
Mossberg 930 (all models)
Browning Gold
